Scapinin, the Protein Phosphatase 1 Binding Protein, Enhances Cell Spreading and Motility by Interacting with the Actin Cytoskeleton
2009

Scapinin Enhances Cell Spreading and Motility by Interacting with Actin

publication 10 minutes Evidence: moderate

Author Information

Author(s): Sagara Junji, Arata Toshiaki, Taniguchi Shunichiro

Primary Institution: Shinshu University, Japan

Hypothesis

What role does scapinin play in cell spreading and motility through its interaction with the actin cytoskeleton?

Conclusion

Scapinin enhances cell spreading and motility by directly interacting with actin and regulating its dynamics.

Supporting Evidence

  • Scapinin expression was shown to stimulate cell spreading and motility in Hela cells.
  • Mutations in the RPEL-repeat domain abolished scapinin's actin binding and cell spreading activity.
  • Immunostaining revealed that scapinin colocalizes with actin at the edges of spreading cells.

Takeaway

Scapinin helps cells spread out and move around by working with a part of the cell called actin, which is like a skeleton for the cell.

Methodology

The study involved expressing scapinin in Hela cells and observing its effects on cell morphology and motility through various assays.

Limitations

The study primarily focused on Hela cells, which may not fully represent other cell types.

Participant Demographics

The study used Hela cells and Cos7 cells, which are derived from human cervical cancer and monkey kidney, respectively.

Statistical Information

P-Value

0.018

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004247

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication